[Retracted] The Effects of Exercise Interventions on Mental Health in Chinese Older Adults

Table 8

The moderating effects of intervention frequency on mental health of the older adults.

Outcome variable	Intervention duration	Number	SMD	LL	UL	I^2	Q	P
Mental health	3–6	21	−0.85	−0.95	−0.74	93.91	542.97	0.00
	7	7	−1.08	−1.25	−0.91	97.14
Anxiety	3–6	10	−1.07	−1.82	−0.32	95.86	331.86	0.00
	7	5	−2.28	−3.71	−0.85	96.44
Depression	3–6	11	−0.75	−1.23	−0.27	90.74	206.60	0.00
	7	2	−2.72	−7.03	1.59	98.96

The frequency of physical exercise on mental health, anxiety (), and depression () of the older adults () had a positive effect. Among them, the frequency of exercise 7 times a week on mental health (d = −1.08), anxiety (d = −2.28), and depression (d = −2.72) of the older adults which intervention effect was higher than 3–6 times a week (Table 8).